when l got back home l saw amessage pinned to thedoor.

when l got back home l saw amessage pinned to thedoor.
when l got back home l saw amessage pinned to thedoor.

when l got back home l saw amessage pinned to thedoor.
当我回到家中,我发现门上被钉了一张公示（通知）.message具体含义自己在上下文中理解.

当我回家时，我发现门上订了一个纸条

我回到家时，我看见门上钉着一条消息。

当我回家时，我发现门上订了一个信息（消息）

当我回到家时我看到amessage钉在thedoor 那个LZ你确定没打错单词？